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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 1arymaptfv | Structured version Visualization version GIF version | ||
| Description: The value of the mapping of unary (endo)functions. (Contributed by AV, 18-May-2024.) |
| Ref | Expression |
|---|---|
| 1arymaptfv.h | ⊢ 𝐻 = (ℎ ∈ (1-aryF 𝑋) ↦ (𝑥 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉}))) |
| Ref | Expression |
|---|---|
| 1arymaptfv | ⊢ (𝐹 ∈ (1-aryF 𝑋) → (𝐻‘𝐹) = (𝑥 ∈ 𝑋 ↦ (𝐹‘{〈0, 𝑥〉}))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq1 6857 | . . 3 ⊢ (ℎ = 𝐹 → (ℎ‘{〈0, 𝑥〉}) = (𝐹‘{〈0, 𝑥〉})) | |
| 2 | 1 | mpteq2dv 5201 | . 2 ⊢ (ℎ = 𝐹 → (𝑥 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉})) = (𝑥 ∈ 𝑋 ↦ (𝐹‘{〈0, 𝑥〉}))) |
| 3 | 1arymaptfv.h | . 2 ⊢ 𝐻 = (ℎ ∈ (1-aryF 𝑋) ↦ (𝑥 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉}))) | |
| 4 | eqid 2729 | . . . . 5 ⊢ (0..^1) = (0..^1) | |
| 5 | 4 | naryrcl 48620 | . . . 4 ⊢ (ℎ ∈ (1-aryF 𝑋) → (1 ∈ ℕ0 ∧ 𝑋 ∈ V)) |
| 6 | 5 | simprd 495 | . . 3 ⊢ (ℎ ∈ (1-aryF 𝑋) → 𝑋 ∈ V) |
| 7 | 6 | mptexd 7198 | . 2 ⊢ (ℎ ∈ (1-aryF 𝑋) → (𝑥 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉})) ∈ V) |
| 8 | 2, 3, 7 | fvmpt3 6972 | 1 ⊢ (𝐹 ∈ (1-aryF 𝑋) → (𝐻‘𝐹) = (𝑥 ∈ 𝑋 ↦ (𝐹‘{〈0, 𝑥〉}))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 Vcvv 3447 {csn 4589 〈cop 4595 ↦ cmpt 5188 ‘cfv 6511 (class class class)co 7387 0cc0 11068 1c1 11069 ℕ0cn0 12442 ..^cfzo 13615 -aryF cnaryf 48615 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5234 ax-sep 5251 ax-nul 5261 ax-pr 5387 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-reu 3355 df-rab 3406 df-v 3449 df-sbc 3754 df-csb 3863 df-dif 3917 df-un 3919 df-in 3921 df-ss 3931 df-nul 4297 df-if 4489 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4872 df-iun 4957 df-br 5108 df-opab 5170 df-mpt 5189 df-id 5533 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-iota 6464 df-fun 6513 df-fn 6514 df-f 6515 df-f1 6516 df-fo 6517 df-f1o 6518 df-fv 6519 df-ov 7390 df-oprab 7391 df-mpo 7392 df-naryf 48616 |
| This theorem is referenced by: 1arymaptf1 48631 |
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